The Head of the Marketing Area Told Alex to Find

The head of the marketing area told Alex to find the most stringent federal regulations on advertising to create the toughest standards. "If we can pass those, we should be able to get by all regulations." One real problem is

A) state regulations are not always consistent with federal standards.
B) FCC regulations create a uniform standard that preempt all other regulations.
C) European countries have agreed to follow the U.S. standards, so it's a matter of working with the U.S. federal regulations.
D) as long as the advertising does not contain sexually explicit content, there are no regulations.
E) that in most cases, standards are changing almost daily.